1003222111 has 4 divisors (see below), whose sum is σ = 1003421952. Its totient is φ = 1003022272.

The previous prime is 1003222109. The next prime is 1003222123. The reversal of 1003222111 is 1112223001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1112223001 = 229 ⋅4856869.

It is a cyclic number.

It is not a de Polignac number, because 1003222111 - 2¹ = 1003222109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003222091 and 1003222100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003222141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92191 + ... + 102496.

It is an arithmetic number, because the mean of its divisors is an integer number (250855488).

Almost surely, 2^1003222111 is an apocalyptic number.

1003222111 is a deficient number, since it is larger than the sum of its proper divisors (199841).

1003222111 is an equidigital number, since it uses as much as digits as its factorization.

1003222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199840.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1003222111 is about 31673.6816773800. The cubic root of 1003222111 is about 1001.0728855050.

Adding to 1003222111 its reverse (1112223001), we get a palindrome (2115445112).

The spelling of 1003222111 in words is "one billion, three million, two hundred twenty-two thousand, one hundred eleven".